diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-22 17:32:09 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-22 17:32:09 -0800 |
commit | 591eb85ecd7e6eb8596c6129ae074e16636b99f4 (patch) | |
tree | 535fb7e9bc29113ff62fd70b0dcd8ad197ab51e2 /arch/arm/common/vic.c | |
parent | 4658f79bec0b51222e769e328c2923f39f3bda77 (diff) | |
parent | 3a2916aa289504d694072a98876d23ca31d6401e (diff) | |
download | kernel-crypto-591eb85ecd7e6eb8596c6129ae074e16636b99f4.tar.gz kernel-crypto-591eb85ecd7e6eb8596c6129ae074e16636b99f4.tar.xz kernel-crypto-591eb85ecd7e6eb8596c6129ae074e16636b99f4.zip |
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: (45 commits)
[ARM] 3389/1: typo and grammar fix
[ARM] 3386/1: AT91RM9200 Clock update
[ARM] 3384/1: AT91RM9200: Timer
[ARM] 3382/1: ixp2000: unify defconfigs
[ARM] 3381/1: ixp2000: fix slowport write timing control register fields
[ARM] 3380/1: ixp2000: simplify ixdp2x00_master_npu() check
[ARM] 3379/1: ixp2000: use generic 8250 debug macros
[ARM] 3378/1: ixp2000: fix gpio interrupt handling
[ARM] Quieten spurious IRQ detection
[ARM] Use kcalloc to allocate counter_config array rather than kmalloc
[ARM] Oprofile: dynamically allocate counter_config
[ARM] Oprofile: Convert semaphore to mutex
[ARM] 3376/2: S3C2410 - update defconfig
[ARM] 3375/1: S3C2440 - fix osiris machine build
[ARM] 3374/1: ep93xx: gpio interrupt support
[ARM] 3361/1: S3C24XX - add USB bus clock source
[ARM] 3360/1: S3C2440 - add set rate methods and camera clock
[ARM] 3359/1: S3C24XX - add support for clk_set_rate
[ARM] Convert kmalloc+memset to kzalloc
[ARM] 3373/1: move uengine loader to arch/arm/common
...
Diffstat (limited to 'arch/arm/common/vic.c')
-rw-r--r-- | arch/arm/common/vic.c | 49 |
1 files changed, 27 insertions, 22 deletions
diff --git a/arch/arm/common/vic.c b/arch/arm/common/vic.c index a45ed1687a5..a19bc4a6196 100644 --- a/arch/arm/common/vic.c +++ b/arch/arm/common/vic.c @@ -22,22 +22,21 @@ #include <linux/list.h> #include <asm/io.h> -#include <asm/irq.h> #include <asm/mach/irq.h> #include <asm/hardware/vic.h> -static void __iomem *vic_base; - static void vic_mask_irq(unsigned int irq) { - irq -= IRQ_VIC_START; - writel(1 << irq, vic_base + VIC_INT_ENABLE_CLEAR); + void __iomem *base = get_irq_chipdata(irq); + irq &= 31; + writel(1 << irq, base + VIC_INT_ENABLE_CLEAR); } static void vic_unmask_irq(unsigned int irq) { - irq -= IRQ_VIC_START; - writel(1 << irq, vic_base + VIC_INT_ENABLE); + void __iomem *base = get_irq_chipdata(irq); + irq &= 31; + writel(1 << irq, base + VIC_INT_ENABLE); } static struct irqchip vic_chip = { @@ -46,43 +45,49 @@ static struct irqchip vic_chip = { .unmask = vic_unmask_irq, }; -void __init vic_init(void __iomem *base, u32 vic_sources) +/** + * vic_init - initialise a vectored interrupt controller + * @base: iomem base address + * @irq_start: starting interrupt number, must be muliple of 32 + * @vic_sources: bitmask of interrupt sources to allow + */ +void __init vic_init(void __iomem *base, unsigned int irq_start, + u32 vic_sources) { unsigned int i; - vic_base = base; - /* Disable all interrupts initially. */ - writel(0, vic_base + VIC_INT_SELECT); - writel(0, vic_base + VIC_INT_ENABLE); - writel(~0, vic_base + VIC_INT_ENABLE_CLEAR); - writel(0, vic_base + VIC_IRQ_STATUS); - writel(0, vic_base + VIC_ITCR); - writel(~0, vic_base + VIC_INT_SOFT_CLEAR); + writel(0, base + VIC_INT_SELECT); + writel(0, base + VIC_INT_ENABLE); + writel(~0, base + VIC_INT_ENABLE_CLEAR); + writel(0, base + VIC_IRQ_STATUS); + writel(0, base + VIC_ITCR); + writel(~0, base + VIC_INT_SOFT_CLEAR); /* * Make sure we clear all existing interrupts */ - writel(0, vic_base + VIC_VECT_ADDR); + writel(0, base + VIC_VECT_ADDR); for (i = 0; i < 19; i++) { unsigned int value; - value = readl(vic_base + VIC_VECT_ADDR); - writel(value, vic_base + VIC_VECT_ADDR); + value = readl(base + VIC_VECT_ADDR); + writel(value, base + VIC_VECT_ADDR); } for (i = 0; i < 16; i++) { - void __iomem *reg = vic_base + VIC_VECT_CNTL0 + (i * 4); + void __iomem *reg = base + VIC_VECT_CNTL0 + (i * 4); writel(VIC_VECT_CNTL_ENABLE | i, reg); } - writel(32, vic_base + VIC_DEF_VECT_ADDR); + writel(32, base + VIC_DEF_VECT_ADDR); for (i = 0; i < 32; i++) { - unsigned int irq = IRQ_VIC_START + i; + unsigned int irq = irq_start + i; set_irq_chip(irq, &vic_chip); + set_irq_chipdata(irq, base); if (vic_sources & (1 << i)) { set_irq_handler(irq, do_level_IRQ); |